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Paper Abstract and Keywords
Presentation 2019-03-14 10:00
Hue Correction Scheme Based on CIELAB Color Space
Yuma Kinoshita, Hitoshi Kiya (Tokyo Metro. Univ.) EA2018-99 SIP2018-105 SP2018-61
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we propose a novel color correction scheme based on the CIELAB color space. Image processing methods considering hue information have already proposed, but hue definitions utilized in those methods do not sufficiently take into account human visual perception. The proposed scheme employs the hue definition in CIEDE2000, which is a model for calculating perceptual color difference between two colors. In accordance with the hue definition, the proposed hue correction method perfectly removes hue difference between a color distorted image and a reference image. Furthermore, the use of a gamut mapping method in the proposed scheme enables us to compress a gamut into an output RGB color gamut, without hue changes. The proposed scheme can be applied to any image processing method, and distorted colors will be corrected by the proposed scheme while maintaining effects of the image processing method. Experimental results show that the proposed method can completely correct hue differences between a reference image and an image produced by an image enhancement method. In addition, the proposed method is also demonstrated to maintain effects of image enhancement, in terms of discrete entropy and statistical naturalness.
Keyword (in Japanese) (See Japanese page) 
(in English) Color Image Processing / CIELAB Color Space / RGB Color Space / Hue Correction / Gamut Mapping / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 496, SIP2018-105, pp. 1-6, March 2019.
Paper # SIP2018-105 
Date of Issue 2019-03-07 (EA, SIP, SP) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF EA2018-99 SIP2018-105 SP2018-61

Conference Information
Committee EA SIP SP  
Conference Date 2019-03-14 - 2019-03-15 
Place (in Japanese) (See Japanese page) 
Place (in English) i+Land nagasaki (Nagasaki-shi) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Engineering/Electro Acoustics, Signal Processing, Speech, and Related Topics 
Paper Information
Registration To SIP 
Conference Code 2019-03-EA-SIP-SP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Hue Correction Scheme Based on CIELAB Color Space 
Sub Title (in English)  
Keyword(1) Color Image Processing  
Keyword(2) CIELAB Color Space  
Keyword(3) RGB Color Space  
Keyword(4) Hue Correction  
Keyword(5) Gamut Mapping  
Keyword(6)  
Keyword(7)  
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1st Author's Name Yuma Kinoshita  
1st Author's Affiliation Tokyo Metropolitan University (Tokyo Metro. Univ.)
2nd Author's Name Hitoshi Kiya  
2nd Author's Affiliation Tokyo Metropolitan University (Tokyo Metro. Univ.)
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Speaker Author-1 
Date Time 2019-03-14 10:00:00 
Presentation Time 25 minutes 
Registration for SIP 
Paper # EA2018-99, SIP2018-105, SP2018-61 
Volume (vol) vol.118 
Number (no) no.495(EA), no.496(SIP), no.497(SP) 
Page pp.1-6 
#Pages 6 
Date of Issue 2019-03-07 (EA, SIP, SP) 

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